Chapter 6 DIRECT SUPPORT AND GENERAL SUPPORT AND DEPOT MAINTENANCE

TM 11-5805-424-15/NAVSHIPS 0967-220-9010/TO 31W2-2G-41

CHAPTER 6

DIRECT SUPPORT AND GENERAL SUPPORT AND

DEPOT MAINTENANCE

6-1. General

6-2. Troubleshooting Procedures

a. Troubleshooting at direct support, general

a. Sectionalization.

Sectionalization procedures

support, and depot maintenance categories includes all

normally performed at an organizational category (ch 4)

techniques outlined for organizational maintenance and

sectionalize the trouble to a defective MD-674(P)/G or

any special or additional techniques required to isolate a

printed-circuit card. When a defective MD-674(P)/G or

defective part.

These maintenance procedures

printed-circuit card is received, localize the trouble to a

supplement the procedures described for organizational

stage (b below) and then isolate the trouble within the

maintenance.

The systematic troubleshooting

procedures, which begins with the operational and

stage (c below).

sectionalization checks performed at an organizational

category must be completed by further localizing and

b. Localization. Perform the operational test (para

isolating techniques. Refer to appendix C to determine

6-3) with the defective MD-674(P)/G or defective

the maintenance function allocated to each category of

printed-circuit card installed in the MD-674(P)/G

maintenance and the tools and test equipment

available for maintenance. If the correct results are not

authorized to perform the maintenance function.

obtained during the operational tests, refer to the

troubleshooting chart (para 6-4) to localize the trouble to

b. Troubleshooting may be performed while the

a stage. Then isolate the trouble within the stage (c

equipment is operating as part of a system, or after it

below).

has been removed from service. When troubleshooting

is performed while the equipment is operating as part of

c. Isolation. When the trouble has been isolated to

a system, it is normally done by organizational

a stage (b above), isolate the trouble to the defective

personnel. When troubleshooting is done with the

part by using the procedures described in paragraph 6-5.

equipment removed from service, perform the

operational tests (para 6-3) to determine symptoms to

d. Deleted.

aid in locating the trouble.

Change 5

6-1